# AUTO FISH TANK vs Bắc Hải

The clearest difference is update cadence: AUTO FISH TANK at every 2 weeks against Bắc Hải's monthly. Bắc Hải's advantage is iOS requirement (13.4 vs 15.6). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

AUTO FISH TANK ships an update every 2 weeks, Bắc Hải monthly. The most recent releases landed on October 3, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | AUTO FISH TANK | Bắc Hải |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Monthly |
| Size | 91 MB | 152 MB |
| Requires iOS | 15.6 | **13.4** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [NGO THINH](https://appshunter.io/developer/1680822852) | [Cuong Pham](https://appshunter.io/developer/1660507457) |

## What reviewers say

### AUTO FISH TANK

[App page](https://appshunter.io/ios/app/auto-fish-tank/id6449455456)

**Features:** macOS Compatibility

**In-app purchases:** none


### Bắc Hải

[App page](https://appshunter.io/ios/app/bac-hai/id6480290232)

**Features:** macOS Compatibility, Siri integration, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is AUTO FISH TANK free?

AUTO FISH TANK is free to download, with no in-app purchases.

### Is Bắc Hải free?

Bắc Hải is free to download, with no in-app purchases.

### Do AUTO FISH TANK or Bắc Hải have ads?

Neither AUTO FISH TANK nor Bắc Hải shows ads.

### Which is updated more often, AUTO FISH TANK or Bắc Hải?

AUTO FISH TANK ships an update every 2 weeks, and Bắc Hải monthly. Most recently, AUTO FISH TANK was updated on October 3, 2026 and Bắc Hải on October 27, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*